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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - CAD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Statement of Comprehensive Income [Abstract] |  |  |  |
Earnings | $ 213 | $ 1,015 | $ 2,050 | $ 3,201
Other comprehensive income/(loss), net of tax |  |  |  |
Change in unrealized gain on cash flow hedges | 57 | 97 | 150 | 10
Change in unrealized gain/(loss) on net investment hedges | 83 | 285 | (200) | 505
Other comprehensive income from equity investees | (1) | 1 | 18 | 9
Reclassification to earnings of (gain)/loss on cash flow hedges | 31 | (14) | 104 | 93
Reclassification to earnings of pension and other postretirement benefits (OPEB) amounts | 5 | 6 | 28 | 13
Foreign currency translation adjustments | (989) | (2,057) | 1,637 | (3,068)
Other comprehensive income/(loss), net of tax | (814) | (1,682) | 1,737 | (2,438)
Comprehensive income/(loss) | (601) | (667) | 3,787 | 763
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | (102) | 155 | (546) | (204)
Comprehensive income/(loss) attributable to controlling interests | (703) | (512) | 3,241 | 559
Preference share dividends | (94) | (82) | (272) | (246)
Comprehensive income/(loss) attributable to common shareholders | $ (797) | $ (594) | $ 2,969 | $ 313

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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests and redeemable noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References No definition available. + Details
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- Definition Net of tax amount of the appreciation (loss) in the value of unsold equity investees. Excludes amounts related to other than temporary impairment (OTTI) losses. + References No definition available. + Details
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b,c) -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
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